The most effective way to treat children with armpit flooding is to clean and care for the skin, change clean clothes, and apply medication. Children’s armpit flooding is often clinically diagnosed as intertrigo rash, which is an acute skin inflammation of the skin in the folds due to moisture, warmth, and friction. If the baby only appeared armpit skin redness, alone choose to use light salt water scrub and dry, dry after applying the right amount of mild prickly heat powder can be, to reduce the local friction stimulation, to avoid redness aggravation. In addition, if the armpit drowning, need to change clothes in time, avoid wearing too much to cause local sweating and moisture phenomenon, close to the clothes as much as possible to choose loose, pure cotton, breathable clothes. If a long time has not improved, you can consider applying glycerine lotion, if the armpit skin only redness and swelling, you can apply compound lactic acid cream, if there is ulceration, oozing, local cleaning and apply erythromycin ointment anti-infection treatment.